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If an electron in a hydrogen atom jumps ...

If an electron in a hydrogen atom jumps from the 3rd orbit to the 2nd orbit, it emis a photon of wavelength . When it jumps from the 4th orbit to the 3rd orbit , the corresponding wavelength pf the photon will be:

A

`(20)/7 lambda`

B

`(20)/(13) lambda`

C

`(16)/(25) lambda`

D

`9/(16) lambda`

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